makeybutton: use smaller buffer for faster response

Signed-off-by: deadprogram <ron@hybridgroup.com>

makeybutton/buffer.go

@@ -1,6 +1,6 @@
 package makeybutton
 
-const bufferSize = 10
+const bufferSize = 6
 
 // Buffer is a buffer to keep track of the most recent readings for a button.
 type Buffer struct {

makeybutton/button.go

@@ -61,7 +61,7 @@ func (b *Button) Get() ButtonEvent {
 	b.readings.Put(pressed)
 
 	switch {
-	case pressed && avg > 0:
+	case pressed && avg > -1 * bufferSize - 2:
 		if b.state == Press {
 			return NotChanged
 		}